AB glue dispensing device based on electrostatic spraying principle

An electrostatic spraying and principle technology, applied in the direction of spray discharge device, spraying device, liquid spraying device, etc., can solve the problems of divergence of atomized particles, poor dispensing orientation, low glue application efficiency, etc., and achieve high bonding quality. The effect of reducing the amount of glue and precisely controlling the dispensing position

Inactive Publication Date: 2014-10-08
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Directly use electrostatic spray technology to dispensing AB glue, because it can achieve micro-nano atomization, it is easy to achieve uniform mixing of A and B components, which improves the traditional dispensing method from the basic principle; however, due to the electric field The divergent distribution of the wires and the mutual repulsion of the atomized particles with a large amount of electrostatic charge will cause the atomized particles to diverge in the process of reaching the target object, and even produce a ring wrap effect, reaching the back of the target object, so there will be a point Disadvantages such as poor glue orientation and low glue application efficiency

Method used

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  • AB glue dispensing device based on electrostatic spraying principle
  • AB glue dispensing device based on electrostatic spraying principle
  • AB glue dispensing device based on electrostatic spraying principle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The main structure of this embodiment includes an air pump 1, a high-voltage electrostatic generator 2, a propulsion pump 3, a spray gun handle 4, a spray gun tube 5, a first syringe 6, a second syringe 7, a first liquid inlet pipe 8, and a second liquid inlet pipe 9. Pipe plug 10, external wire 11, internal wire 12, airflow conduit socket 13, airflow conduit 14, socket 15 and electrospray needle 16; spray gun handle 4 is connected with spray gun tube 5 to form a spray gun, and spray gun handle 4 is arranged on spray gun tube 5 Below: the air pump 1 and the propulsion pump 3 are electrically connected to the high-voltage electrostatic generator 3 respectively, the positive pole of the high-voltage electrostatic generator 2 is electrically connected to the spray gun through an external wire 11, and the negative pole is grounded; The needle 16 is a two-component coaxial electrospray needle that is coaxial with the spray gun tube 5; an air flow channel Q with a ring structu...

Embodiment 2

[0016] The present embodiment adopts the same structure as that of Embodiment 1, and the electrospray needle 16 is changed into a three-component side-by-side electrospray needle or a three-component coaxial electrospray needle coaxial with the spray gun tube 5, such as figure 2 As shown in c and 2d, a third syringe connected to the propeller 3 is added at the same time, and a third liquid inlet pipe is added to connect the third syringe with the electrospray needle 16 to realize the dispensing process of the three-component mixture curing agent.

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Abstract

The invention belongs to the technical field of AB glue dispensing equipment, and relates to an AB glue dispensing device based on an electrostatic spraying principle. A spraying gun handle is arranged under a spraying gun pipe, an air pump and a boost pump are electrically connected with a high-voltage electrostatic generator, the positive electrode of the high-voltage electrostatic generator is electrically connected with the spraying gun handle, and the negative electrode is grounded; an electric spraying needle head is arranged in the spraying gun pipe, an inserting port is formed in the lower end of the spraying gun handle, an air flow guide pipe inserting port is formed in one side of the air pump, and the two ends of an air flow guide pipe are inserted into the air flow guide pipe inserting port and the inserting port respectively; the electric spraying needle head is connected with an external guide wire through an internal wire inside the spraying gun handle, the front portion of the spraying gun pipe is a spraying gun spraying head, a pipe plug is arranged on the rear portion of the spraying gun pipe, one end of a first injector and one end of a second injector are connected with the boost pump, and the other end of the first injector and the other end of the second injector are communicated with the electric spraying needle head respectively through a first liquid inlet pipe and a second liquid inlet pipe. The AB glue dispensing device based on the electrostatic spraying principle is simple in structure, convenient to operate, uniform in glue mixing, capable of saving glue, high in bonding quality and wide in application range.

Description

Technical field: [0001] The invention belongs to the technical field of AB glue dispensing equipment, relates to an AB glue dispensing equipment, in particular to an AB glue dispensing device based on the principle of electrostatic spraying and airflow-assisted orientation. Background technique: [0002] At present, the two-component mixed curing adhesive represented by AB glue has the advantages of high bonding strength, wide range of bonding materials, oil surface bonding, fast curing speed, and room temperature curing. , furniture, bags, handicrafts, jewelry, electronics, machinery manufacturing and other industries are widely used; the commonly used AB glue refers to acrylic modified epoxy glue or epoxy glue, where A component is acrylic modified epoxy resin Or epoxy resin, as the glue, B component is a modified amine or other hardener; when used, the two components are mixed in a certain proportion, and the hardening reaction occurs, so as to play the bonding function; ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B5/10B05B5/16B05B7/04B05B7/12
CPCB05B5/03
Inventor 韩文鹏龙云泽张君诚秦崇崇黄渊源赵惠徐世聪于桂凤
Owner QINGDAO UNIV
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